A Study on Quasi‐orthogonal  M ‐ary Chirp Modulation | Zendy

Yang Liu | Zendy; Zhang Fangqi | Zendy; Zheng Guoxin | Zendy; Sha Jiajun | Zendy

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A Study on Quasi‐orthogonal M ‐ary Chirp Modulation

Author(s) -

Yang Liu,

Zhang Fangqi,

Zheng Guoxin,

Sha Jiajun

Publication year - 2019

Publication title -

chinese journal of electronics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.267

H-Index - 25

eISSN - 2075-5597

pISSN - 1022-4653

DOI - 10.1049/cje.2019.06.025

Subject(s) - chirp , modulation (music) , mathematics , physics , acoustics , optics , laser

This paper proposes and studies a novel M ‐ary chirp modulation scheme adopting quasi‐orthogonal waveforms. The Symbol error probability (SEP) of M ‐ary modulation over Additive white Gaussian noise (AWGN) channel is derived based on coherent detection, which is a function of modulation factor and waveform period. Moreover, the SEP is investigated over a channel limited by a nominal bandwidth. Both theoretical analysis and simulations prove that the SEP performance of the proposed 8‐ary chirp modulation outperforms that of conventional 8 Phase shift keying (8PSK) with the same bandwidth efficiency.

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